Input bindings

For fine-tuning parameters, use addInput() of the pane to add components. Tweakpane checks specified parameter types and provides suitable components.

Number

Tweakpane provides a text input for number parameters by default.

const PARAMS = {
  speed: 0.5,
};

const pane = new Pane();
pane.addInput(PARAMS, 'speed');

Range

You can specify a range of number by min and max. If you specify at least one of them, slider control will be created.

const PARAMS = {
  speed: 50,
};

const pane = new Pane();
pane.addInput(PARAMS, 'speed', {
  min: 0,
  max: 100,
});

Step

step constraints step of changes.

const PARAMS = {
  speed: 0.5,
  count: 10,
};

const pane = new Pane();
pane.addInput(PARAMS, 'speed', {
  step: 0.1,
});
pane.addInput(PARAMS, 'count', {
  step: 10,
  min: 0,
  max: 100,
});

Number list

If you want to choose a value from presets, use options.

const PARAMS = {
  quality: 0,
};

const pane = new Pane();
pane.addInput(PARAMS, 'quality', {
  options: {
    low: 0,
    medium: 50,
    high: 100,
  },
});

Formatter

You can use a custom number formatter with format.

const PARAMS = {
  k: 0,
};

const pane = new Pane();
pane.addInput(PARAMS, 'k', {
  format: (v) => v.toFixed(6),
});

String

For string parameters, text input will be provided by default.

const PARAMS = {
  message: 'hello, world',
};

const pane = new Pane();
pane.addInput(PARAMS, 'message');

String list

Same as for number properties, options provides a list component.

const PARAMS = {
  theme: '',
};

const pane = new Pane();
pane.addInput(PARAMS, 'theme', {
  options: {
    none: '',
    dark: 'dark-theme.json',
    light: 'light-theme.json',
  },
});

Boolean

For boolean parameters, checkbox field component will be provided.

const PARAMS = {
  hidden: true,
};

const pane = new Pane();
pane.addInput(PARAMS, 'hidden');

Color

For object parameters that have components key r, g, and b (and optional a), text field with a color swatch will be provided. You can choose a color from a color picker by clicking the swatch.

const PARAMS = {
  background: {r: 255, g: 127, b: 0},
  tint: {r: 255, g: 255, b: 0, a: 0.5},
};

const pane = new Pane();
pane.addInput(PARAMS, 'background');
pane.addInput(PARAMS, 'tint');

This field will also be provided for string parameters that can be parsed as a color.

const PARAMS = {
  primary: '#8df',
  secondary: 'rgb(255, 136, 221)',
};

const pane = new Pane();
pane.addInput(PARAMS, 'primary');
pane.addInput(PARAMS, 'secondary');

If you want to regard a hex number (like 0x0088ff) as a color, specify {view: 'color'} option, and alpha: true will add an alpha component.

const PARAMS = {
  background: 0x0088ff,
  tint: 0x00ff0044,
};

const pane = new Pane();
pane.addInput(PARAMS, 'background', {
  view: 'color',
});
pane.addInput(PARAMS, 'tint', {
  view: 'color',
  alpha: true,
});

Or, if you want to force a color-like string to be a string input, pass view: 'text' option.

const PARAMS = {
  hex: '#0088ff',
};

const pane = new Pane();
pane.addInput(PARAMS, 'hex', {
  view: 'text',
});

picker can change the layout of the picker.

const PARAMS = {
  key: '#22aaeeff',
};

const pane = new Pane();
pane.addInput(PARAMS, 'key', {
  picker: 'inline',
  expanded: true,
});

Point

Point 2D

For object parameters that have number properties x and y, text fields and a picker will be provided.

const PARAMS = {
  offset: {x: 50, y: 25},
};

const pane = new Pane();
pane.addInput(PARAMS, 'offset');

Each dimension can be constrained with step, min and max parameters just like a numeric input.

const PARAMS = {
  offset: {x: 20, y: 30},
};

const pane = new Pane();
pane.addInput(PARAMS, 'offset', {
  x: {step: 20},
  y: {min: 0, max: 100},
});

inverted: true inverts Y-axis.

const PARAMS = {
  offset: {x: 50, y: 50},
};

const pane = new Pane();
pane.addInput(PARAMS, 'offset', {
  y: {inverted: true},
});

picker can change the layout of the picker.

const PARAMS = {
  offset: {x: 50, y: 50},
};

const pane = new Pane();
pane.addInput(PARAMS, 'offset', {
  picker: 'inline',
  expanded: true,
});

Point 3D/4D

Tweakpane also has a support for 3D and 4D vector object. You can constrain each axis same as Point 2D.

const PARAMS = {
  source: {x: 0, y: 0, z: 0},
  camera: {x: 0, y: 20, z: -10},
  color: {x: 0, y: 0, z: 0, w: 1},
};

// 3d
const pane = new Pane();
pane.addInput(PARAMS, 'source');
pane.addInput(PARAMS, 'camera', {
  y: {step: 10},
  z: {max: 0},
});

// 4d
pane.addInput(PARAMS, 'color', {
  x: {min: 0, max: 1},
  y: {min: 0, max: 1},
  z: {min: 0, max: 1},
  w: {min: 0, max: 1},
});
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